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authorEelco Dolstra <e.dolstra@tudelft.nl>2004-08-31T16·13+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2004-08-31T16·13+0000
commit5c443b65501903f636b00b908bb8eb10e022402e (patch)
tree6eda7c08e475b9a4024e167b18531726d3177299 /src/nix-store
parentc25f2883b149bf71931f963d29241fe012360633 (diff)
* Main the `substitutes-rev' table again, but now in a way that
  doesn't take \Theta(n^2) space/time complexity.

Diffstat (limited to 'src/nix-store')
-rw-r--r--src/nix-store/main.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/nix-store/main.cc b/src/nix-store/main.cc
index e9948c7cf8ac..a8acd30c77b7 100644
--- a/src/nix-store/main.cc
+++ b/src/nix-store/main.cc
@@ -158,6 +158,7 @@ static void opSubstitute(Strings opFlags, Strings opArgs)
     if (!opArgs.empty())
         throw UsageError("no arguments expected");
 
+    SubstitutePairs subPairs;
     Transaction txn;
     createStoreTransaction(txn);
 
@@ -179,9 +180,11 @@ static void opSubstitute(Strings opFlags, Strings opArgs)
             sub.args.push_back(s);
         }
         if (!cin || cin.eof()) throw Error("missing input");
-        registerSubstitute(txn, srcPath, sub);
+        subPairs.push_back(pair<Path, Substitute>(srcPath, sub));
     }
 
+    registerSubstitutes(txn, subPairs);
+    
     txn.commit();
 }